%0 Journal Article %A S. S. Kharibegashvili %T A Multidimensional Version of the Darboux Problem for a Model Degenerating Second-Order Hyperbolic Equation %J Differencialʹnye uravneniâ %D 2004 %P 565-573 %V 40 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2004_40_4_a12/ %G ru %F DE_2004_40_4_a12